Home / 829,074.20-1,243,611.30-663,186.20

Finding the Fourth Proportional to 829,074.20, 1,243,611.30 and 663,186.20

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Solution

The fourth proportional to 829,074.20, 1,243,611.30 and 663,186.20 is: 994,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,074.20 : 1,243,611.30 = 663,186.20 : x
  2. Step 2: Convert to fraction form
    829,074.20/1,243,611.30 = 663,186.20/x
  3. Step 3: Cross multiply
    829,074.20x = 1,243,611.30 × 663,186.20
  4. Step 4: Simplify right side
    829,074.20x = 824,745,852,324.06
  5. Step 5: Solve for x
    x = 824,745,852,324.06/829,074.20
  6. Step 6: Final answer
    x = 994,779.30

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Half scale
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Double scale
Find fourth proportional to 829,075.20, 1,243,612.80 and 663,187.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.